Another bug that was just introduced on the up call path, this time op_ctx is good but op_ctx->ctx_export is null. Marc.
Program received signal SIGSEGV, Segmentation fault. [Switching to Thread 0x7fba8356b280 (LWP 10471)] 0x000000000053eb6e in mdc_check_mapping (entry=0x7fb874001480) at /nas/ganesha/new-ganesha/src/FSAL/Stackable_FSALs/FSAL_MDCACHE/mdcache_helpers.c:258 258 (int32_t) op_ctx->ctx_export->export_id) (gdb) where #0 0x000000000053eb6e in mdc_check_mapping (entry=0x7fb874001480) at /nas/ganesha/new-ganesha/src/FSAL/Stackable_FSALs/FSAL_MDCACHE/mdcache_helpers.c:258 #1 0x000000000054077e in mdcache_find_keyed (key=0x7fba83569ce0, entry=0x7fba83569db8) at /nas/ganesha/new-ganesha/src/FSAL/Stackable_FSALs/FSAL_MDCACHE/mdcache_helpers.c:856 #2 0x00000000005324e3 in mdc_up_invalidate (export=0x1829030, handle=0x7fba83569f50, flags=15) at /nas/ganesha/new-ganesha/src/FSAL/Stackable_FSALs/FSAL_MDCACHE/mdcache_up.c:59 #3 0x00007fba8357b757 in GPFSFSAL_UP_Thread (Arg=0x1827b40) at /nas/ganesha/new-ganesha/src/FSAL/FSAL_GPFS/fsal_up.c:318 #4 0x00007fba866f3df3 in start_thread (arg=0x7fba8356b280) at pthread_create.c:308 #5 0x00007fba85db43dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113 (gdb) p op_ctx $1 = (struct req_op_context *) 0x7fba83569d00 (gdb) p op_ctx->ctx_export $2 = (struct gsh_export *) 0x0 From: "Frank Filz" <ffilz...@mindspring.com> To: <nfs-ganesha-devel@lists.sourceforge.net> Date: 05/05/2017 04:47 PM Subject: [Nfs-ganesha-devel] Announce Push of V2.5-rc4 Branch next Tag:V2.5-rc4 NOTE: This merge has an ntirpc pullup - please update your submodule Release Highlights * fix various races and issues with exports and mdcache, esp. unexport * make sure rename and link check handles for different exports (XDEV) * Fix infinite loop in avl_dirent_set_deleted * Handle junctions in rename/link/unlink * Logging : Limit the no of logrotated files * Reset stat counters using dbus interface * gpfs: Remove unused REOPEN_BY_FD * dispatch: call SVC_STAT before svcerr_* * ntirpc pullup: take RPC and XDR decode length fixes Signed-off-by: Frank S. Filz <ffilz...@mindspring.com> Contents: d876449 Frank S. Filz V2.5-rc4 43863cf Matt Benjamin dispatch: call SVC_STAT before svcerr_* 1437aa0 Matt Benjamin ntirpc pullup: take RPC and XDR decode length fixes 15d1e66 Malahal Naineni gpfs: Remove unused REOPEN_BY_FD 9b4739f Sachin Punadikar Reset stat counters using dbus interface 052e82a Jiffin Tony Thottan Logging : Limit the no of logrotated files d78535a Daniel Gryniewicz Handle junctions in rename/link/unlink b4f8214 Frank S. Filz Make NFS v4 and 9P rename and link check for XDEV across exports e259e81 Frank S. Filz Use saved_export when cleaning up saved_object (SavedFH). 1c70180 Frank S. Filz Fix infinite loop in avl_dirent_set_deleted ceb4aed Frank S. Filz Fixup unexport/lru_run_lane/mdcache_lru_clean races dc83243 Frank S. Filz Fix race between mdcache_unexport and mdc_check_mapping 5374f6f Frank S. Filz Don't double deconstruct new entry in mdcache_new_entry --- This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ Nfs-ganesha-devel mailing list Nfs-ganesha-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/nfs-ganesha-devel ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ Nfs-ganesha-devel mailing list Nfs-ganesha-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/nfs-ganesha-devel
